Sharon Tobin has been confirmed as co-presenter of RTÉ's Six One News, joining David McCullagh, following the departure of Caitríona Perry earlier this year.
RTÉ also announced that Ray Kennedy will be presenting the Nine O'Clock News on rotation with Sharon Ní Bheoláin.
Eileen Whelan will continue to anchor the One O'Clock News.
In a statement, Director of RTÉ News & Current Affairs Deirdre McCarthy said: "For all of us who work in News & Current Affairs the flagship Six One News and Nine O'Clock News are among our most watched and valued television programmes and represent the best of our daily newsgathering and trusted public service journalism.
"Sharon and Ray join our dedicated News & Current Affairs presentation team who strive every hour of every day to tell honestly and clearly, with integrity and credibility, the stories that matter to you, your families and your communities."
She added: "They are accomplished journalists, and I am delighted they are joining the presentation team."
Ms Tobin joined RTÉ News in 2008 as a journalist and TV reporter and has been a regular news presenter in studio and for outside broadcasts in Ireland and abroad, including the coverage of the death of Britain's Queen Elizabeth last year.
During his time in the newsroom, Mr Kennedy has covered news stories such as the humanitarian crisis throughout Africa in 2012 and 2013 and also reported from the UK and Europe on the terrorist attacks that took place in Manchester, London and Paris.
